Tables show substantial increase in use of centralized traffic control, and moderate increase in A.B.S. mileage.


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    Title :

    Interstate commerce commission's annual signal statistics


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1932


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English